A fixed type totally-enclosed dust removal device for hot repair of a steel ladle

Abstract

The present application aims to provide a fixed full-closed dust removal device for steel ladle hot repair, which adopts a split fixed structure, each part is hoisted and transported independently, is easy to install on site, occupies small area, and has simple action, and through the lifting door structure, full-closed dust removal of the turned steel ladle is realized, the needs of the steel ladle hot repair site are met, and the device is characterized in that: the dust removal device comprises a support, a dust removal cover is connected to the top of the support, a smoke exhaust mechanism is connected to the top of the dust removal cover, and a lifting door is installed at the front of the support; the lifting door is provided with a compression sealing structure, a notch is formed in the lifting door, and the notch is matched with a hinge seat of the steel ladle.

Description

Technical Field

[0001] This invention relates to the technical field of ladle maintenance, specifically to a fixed, fully enclosed dust removal device for hot ladle repair. Background Technology

[0002] Because hot repair of ladles requires specific ladle lifting operations and 90-degree horizontal laying for hot repair, it is difficult to install a good, fully enclosed dust collection system in the hot repair facility. Existing technologies include dust collection devices that are partially open to allow the ladle to rotate, and mobile dust collection devices that move aside while the ladle is rotating and then re-enter afterward. This is not only cumbersome but also requires a large amount of space for movement.

[0003] Therefore, there is an urgent need to design a new type of dust removal device to meet the needs of hot repair sites for steel ladles. Summary of the Invention

[0004] The purpose of this invention is to provide a fixed, fully enclosed dust removal device for hot ladle repair. It adopts a split fixed structure, with each part being hoisted independently. It is easy to install on site, occupies little space, and is simple to operate. Furthermore, it achieves fully enclosed dust removal of the ladle after it is turned over through a lifting door structure, thus meeting the needs of hot ladle repair sites.

[0005] This invention provides the following technical solution:

[0006] A fixed, fully enclosed dust removal device for hot repair of steel ladles, characterized in that: the dust removal device includes a support frame, a dust removal hood is connected to the top of the support frame, a smoke exhaust mechanism is connected to the top of the dust removal hood, and a lifting door is installed at the front of the support frame; the lifting door has a notch that cooperates with the hinge seat of the steel ladle; a sealing and pressing structure is installed on the dust removal hood, the sealing and pressing structure being used to fix the sealing lifting door.

[0007] Furthermore, the sealing and pressing structure includes a fixed pressing frame and a dust collector door side plate structure. One side plate of the fixed pressing frame is connected to a pressure plate via a pressing spring. The pressure plate is used to press the outer side of the lifting door. A connecting shaft is provided inside the pressing spring. One end of the connecting shaft is bolted to the side plate, and the other end is bolted to a baffle. The baffle does not contact the pressure plate, preventing the pressure plate from disengaging from the connecting shaft. The dust collector door side plate structure includes a dust collector door bottom plate. Two sealing ring baffles are provided on the dust collector door bottom plate. Sealing ring stop blocks are provided on the sealing ring baffles. A hollow sealing strip is provided between the sealing ring stop blocks. The hollow sealing strip is used to press the inner side of the lifting door.

[0008] Furthermore, the lifting door includes a lifting door frame and side guide rails. The lifting door frame is filled with fire-resistant fiber felt. A rubber sealing plate is fixed to the inside of the lifting door. Sealing plate baffles are fixed to both sides of the rubber sealing plate. The rubber sealing plate cooperates with the hollow sealing strip.

[0009] Furthermore, the lifting door is fixedly connected to the bracket via a lifting mechanism.

[0010] Furthermore, the lifting mechanism includes guide wheels, a lifting seat, a cylinder base, and a cylinder, with the side guide rail cooperating with the guide wheels. The cylinder can be replaced with other pushing mechanisms, such as an electric push rod or a pneumatic cylinder.

[0011] Furthermore, a vertical wall is installed inside the bracket.

[0012] Furthermore, the bracket is a modular structure, selected and assembled according to the size of the steel ladle.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0014] 1. This invention constitutes a fixed, fully enclosed dust removal device through a bracket, dust removal hood, smoke exhaust mechanism, and lifting door. Each part can be hoisted independently, making on-site installation simple and occupying little space. Furthermore, by opening a notch on the lifting door that matches the hinge seat of the ladle, when the ladle is turned over, only the lifting door needs to be raised, and the entire dust removal device remains stationary. The operation is simple, and the lifting door also achieves fully enclosed dust removal of the turned ladle.

[0015] 2. The present invention also achieves fully enclosed dust removal of the steel ladle after it is turned over by setting a sealing and pressing structure, in which the fixed pressing frame and the dust removal hood door side plate structure respectively press and seal the outer and inner sides of the lifting door. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the entire invention;

[0017] Figure 2 This is a schematic diagram of the sealing and pressing structure in this invention;

[0018] Figure 3 This is a schematic cross-sectional view of the sealing and pressing structure in this invention;

[0019] Figure 4 This is a schematic diagram of the dust collector hood door side panel structure in this invention;

[0020] Figure 5 This is a schematic diagram of the lifting door structure in this invention;

[0021] Figure 6 This is a schematic diagram of the lifting mechanism in this invention. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] Please see Figure 1 A fixed, fully enclosed dust removal device for hot repair of steel ladles, characterized in that: the dust removal device includes a support 1, a dust removal hood 2 connected to the top of the support 1, a smoke exhaust mechanism 3 connected to the top of the dust removal hood 2, and a lifting door 4 installed at the front of the support 1; the lifting door 4 has a notch 5, which cooperates with the hinge seat of the steel ladle; a sealing and pressing structure 6 is installed on the dust removal hood 2, which is used to fix the sealing lifting door 4.

[0024] The sealing and pressing structure 6 includes a fixed pressing frame 8 and a dust collector door side plate structure 9. The side plate of the fixed pressing frame 8 is connected to a pressure plate 82 via a pressing spring 81. The pressure plate 82 is used to press the outer side of the lifting door 4. A connecting shaft 83 is provided inside the pressing spring. One end of the connecting shaft 83 is bolted to the side plate, and the other end is bolted to a baffle 84. The baffle 84 does not contact the pressure plate 82 and is used to prevent the pressure plate 82 from detaching from the connecting shaft 83, making the spring structure easy to disassemble and not easy to fall off. The dust collector door side plate structure 9 includes a dust collector door bottom plate 91. Two sealing ring baffles 92 are provided on the dust collector door bottom plate 91. Sealing ring stop blocks 93 are provided on the sealing ring baffles 92. A hollow sealing strip 94 is provided between the sealing ring stop blocks 93. The hollow sealing strip 94 is used to press the inner side of the lifting door 4.

[0025] The lifting door 4 includes a lifting door frame 41 and a side guide rail 42. The lifting door frame 41 is filled with fire-resistant fiber felt 43. A rubber sealing plate 44 is fixed inside the lifting door 4. Sealing plate baffles 45 are fixed on both sides of the rubber sealing plate 44. The rubber sealing plate 44 cooperates with the hollow sealing strip 45.

[0026] The lifting door 4 is fixedly connected to the bracket via a lifting mechanism. The lifting mechanism includes a guide wheel 46, a lifting seat 47, a cylinder base 48, and a cylinder 49. The side guide rail 42 cooperates with the guide wheel 46. The cylinder can be replaced with other pushing mechanisms, such as an electric push rod or a pneumatic cylinder.

[0027] A vertical wall 7 is installed inside the bracket 2. The bracket 2 is a modular structure, selected and assembled according to the size of the steel ladle.

[0028] Working principle: When the ladle needs hot repair, the support frame, vertical wall, dust hood, smoke exhaust mechanism and lifting door can be hoisted to the site independently, making on-site installation simple and occupying little space; when the ladle is tilted, simply raise the lifting door, and the entire dust removal device remains stationary. After tilting, lower the lifting door again, as its notch matches the hinge seat of the ladle. The whole operation is simple; and the lifting door also achieves fully enclosed dust removal of the tilted ladle.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fixed, fully enclosed dust removal device for hot repair of steel ladles, characterized in that: The dust removal device includes a bracket, a dust removal hood connected to the top of the bracket, a smoke exhaust mechanism connected to the top of the dust removal hood, and a lifting door installed at the front of the bracket; the lifting door has a notch that cooperates with the hinge seat of the ladle; a sealing and pressing structure is installed on the dust removal hood, which is used to fix the sealing lifting door. The bracket, dust hood, smoke exhaust mechanism, and lifting door constitute a fixed, fully enclosed dust removal device; The sealing and pressing structure uses a fixed pressing frame and a dust removal hood door side plate structure to press and seal the outer and inner sides of the lifting door respectively; The sealing and pressing structure includes a fixed pressing frame and a dust collector door side plate structure. One side plate of the fixed pressing frame is connected to a pressure plate via a pressing spring. The pressure plate is used to press the outer side of the lifting door. A connecting shaft is provided inside the pressing spring. One end of the connecting shaft is bolted to the side plate, and the other end is bolted to a baffle. The baffle does not contact the pressure plate, preventing the pressure plate from disengaging from the connecting shaft. The dust collector door side plate structure includes a dust collector door bottom plate. Two sealing ring baffles are provided on the dust collector door bottom plate. Sealing ring stop blocks are provided on the sealing ring baffles. A hollow sealing strip is provided between the sealing ring stop blocks. The hollow sealing strip is used to press the inner side of the lifting door. The support frame is a modular structure, and is selected and assembled according to the size of the steel ladle.

2. The fixed, fully enclosed dust removal device for hot repair of steel ladles according to claim 1, characterized in that: The lifting door includes a lifting door frame and side guide rails. The lifting door frame is filled with fire-resistant fiber felt. A rubber sealing plate is fixed to the inside of the lifting door. Sealing plate baffles are fixed to both sides of the rubber sealing plate. The rubber sealing plate cooperates with the hollow sealing strip.

3. A fixed, fully enclosed dust removal device for hot repair of steel ladles according to claim 2, characterized in that: The lifting door is fixedly connected to the bracket via a lifting mechanism.

4. A fixed, fully enclosed dust removal device for hot repair of steel ladles according to claim 3, characterized in that: The lifting mechanism includes a guide wheel, a lifting seat, a cylinder base, and a cylinder, and the side guide rail cooperates with the guide wheel.

5. A fixed, fully enclosed dust removal device for hot repair of steel ladles according to claim 4, characterized in that: The hydraulic cylinder is replaced by other actuating mechanisms, including electric push rods or pneumatic cylinders.

6. A fixed, fully enclosed dust removal device for hot repair of steel ladles according to claim 1, characterized in that: A vertical wall is installed inside the bracket.

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